From b16a4fc07a59ce030d71bd70d6f65b97436c4185 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 13 Dec 2019 18:26:12 +0100
Subject: drm/zte: plane_state->fb iff plane_state->crtc
Git-commit: ec0582ca89874172289be9fcbe78b7353ad6ab14
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Checking both is one too much, so wrap a WARN_ON around it to stope
the copypasta.
Reviewed-by: Rodrigo Siqueira <rodrigosiqueira@gmail.com>
Tested-by: Rodrigo Siqueira <rodrigosiqueira@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213172612.1514842-10-daniel.vetter@ffwll.ch
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/zte/zx_plane.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/zte/zx_plane.c b/drivers/gpu/drm/zte/zx_plane.c
index 086c50fac689..c8f7b21fa09e 100644
--- a/drivers/gpu/drm/zte/zx_plane.c
+++ b/drivers/gpu/drm/zte/zx_plane.c
@@ -54,7 +54,7 @@ static int zx_vl_plane_atomic_check(struct drm_plane *plane,
int min_scale = FRAC_16_16(1, 8);
int max_scale = FRAC_16_16(8, 1);
- if (!crtc || !fb)
+ if (!crtc || WARN_ON(!fb))
return 0;
crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
@@ -281,7 +281,7 @@ static int zx_gl_plane_atomic_check(struct drm_plane *plane,
struct drm_crtc *crtc = plane_state->crtc;
struct drm_crtc_state *crtc_state;
- if (!crtc || !fb)
+ if (!crtc || WARN_ON(!fb))
return 0;
crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
--
2.28.0